package com.loop;

import java.util.Random;

/*
要写注释哦!!!
*/
public class Demo07 {
    public static void main(String[] args) {
        Random randem = new Random();
        int number = randem.nextInt(50, 71);
        System.out.println(number);
        int number2 = randem.nextInt(11)+10;
        System.out.println(number2);
        int number3 = randem.nextInt();
        System.out.println(number3);
    }
}
